Safety razor



4, 1962 R. F. SAAVEDRA ETAL 3,056,413

SAFETY RAZOR Filed Sept. 15, 1960 INVENTORS RAMOIYN F2 SAAVEDRAHIPOLI'TO 0. CARR/A560 Mexico Filed Sept. 15, 196i), Ser. No. 56,196 2Claims. (El. 30-339) This invention consists of a new, handy device forshaving and hair-cutting, which construction has been improved, beingdifierent from known brands in that it is provided with simplified mediato grasp and hold the Gillette-type razor blades in a new curvecutangle. This new and simple device offers more security against cuts, asthe edges of the blade are curved and covered on an also curved base bymeans of over-lapped protective borders; the new cutting angle achievedby this curvature is practically perfect, as it slides parallel to thesurface of the skin, and perpendicular to the hair angle, thus allowinga smooth cut and more comfort in shaving.

In present equipment designed for thin Gillette-type steel blades, theblade is held by several pieces which curve it transversely to alongitudinally channeled shape, giving a straight line to the cuttingedges; exactly the o posite of this invention.

In our device we have achieved the utmost simplicity. It consists of onesimple unit and handle, free from screws, bolts, etc., and is smallenough to be carried along in a pocket; its handle may be used toprotect the blade if desired; its manufacturing cost is very low, as itsconstruction requires very little material, which may be plastic, metalor any other suitable material. The system used as a base and to firmlyaflix the blade, as well as the system for fixing and releasing same,has been reduced to one single unit. The easy and quick disposal of hairhas been accomplished by slots on the curved base of the holder whichforms natural borders, thus covering cutting edges for protection; allthis in one single unit not only saves material, but also reducesweight.

Characteristic details of this device are clearly shown in the followingdescription and drawings attached as an illustration of same; and onthese drawings the same reference characters are used to indicate thesame parts on the six figures.

FIGURE 1 is a top plan view of a safety razor in accordance with thepresent invention;

FIGURE 2 is a crosssectional view taken on line AA of FIGURE 1;

FIGURE 3 is a bottom plan view of the razor shown in FIGURE 1;

FIGURE 4 is a side or edge view of the razor shown in FIGURE 1;

FIGURE 5 is a view in perspective of a modification of the razor inaccordance with the present invention, and

FIGURE 6 is a view in perspective of another modification in accordancewith the present invention.

Referring to the drawing, a preferred modification in accordance withthe invention is shown in FIGURES 1-4 as being formed in one solidfiatshaped unit and may be made of any hard material, such as plastic,wood, metal, etc.

The upper part (a) of the unit is intended to hold and affix a blade(c); and the lower part (b) to serve as a handle.

As illustrated, the upper part (a) of unit has a rectangular shape,slightly longer and wider than the length and width of the razor blade.The upper face is provided with two fastening claws 1, one at each edge,and lower face with another two, and the space between the two groups offastening claws, intended to serve as a base to the razor blade, iscurved as to allow the blade lififihfiilfi Patented Dec. 4, 1962 (c)grasped by the fastening claws 1 to take the same shape, thereby bendingthe cutting edges into a curve. On the upper face there is a slot 2between the fastening claws 1 and on the lower face, also between thefastening claws 1, there is a notch 9.

On this part of the device (a) and parallel to the sides, are twoparallel slots 3, one at each side, for the purpose of releasing the cuthair.

On this same part (a) of the device, across the center and under theslot of the blade (0), there is a protruding bar 7 which has at itscenter a small salient circular button 8 to affix and keep the bladefirmly in place by the center, whether the blade has a round slot, as isthe case of Gillette, or a rhomboidal slot, as in other brands of steelblades. This bar, has been designed for the same purpose of maintainingthe blade firmly in place.

As shown on FIGURE 2, the sides of the slots 3 have an oppositeinclination to enable easy disposal of the cut hair and cleaning of thedevice, leaving at each side of the base a border 4 which overlaps thecutting edges of the razor (c), offering full protection against cuts.

Part (b) of the device, as mentioned before, is intended to serve as ahandle and may be given any appropriate shape, with rounded angles forbetter comfort.

This handle, as shown on FIGURE 5, may be placed vertically from thecenter of the lower face of part (a) of the unit, the same as in commondevices.

Also, as shown on FIGURE 6, the handle may be combined to ascissor-shaped part 5 by fastening it with a bolt 6 in such a way thatthe whole unit may be folded into part 5 as in a case.

To place blade (c) into the device, one end of blade is inserted intothe lower fastening claws l, which are longer than the upper ones sothat the blade may slide lower down, and by pressing upper part of bladewith thumb it is placed into the upper fastening claws through a forwardmovement, which automatically adjusts the blade into place on the bar 7and salient button 8.

In this way, the blade remains fixed in place on the curved face andthrough this curvature of its edges, the cutting angle becomes a mostperfect one; that is, parallel to the delineating surface andperpendicular to the hair angle, thus allowing a smooth cut with theleast effort possible.

To release the blade, simply introduce a thin coin or the tip of thethumbnail into the notch 2, pushing downward so that the blade mayspring at that end and turn loose from the button and bar.

The device is perfectly safe to use as cutting edges of the blade (0)are curved to an arch and covered to more than 1 millimeter on thelateral protective borders 4v.

This new invention may be manufactured of plastic, metal or any otherappropriate material, at a minimum cost and in view of the fact that itincludes no mechanism, duration is practically indefinite.

Although certain specific embodiments of the invention have been shownand described, it is obvious that many modifications thereof arepossible. The invention, therefore, is not to be restricted exceptinsofar as is necessitated by the prior art and by the spirit of theappended claims.

We claim:

1. A blade holder for use with a slotted, flexible double edged safetyrazor blade, comprising a rigid rectangular base having a convex bladesupporting surface that is curved longitudinally, said base beingslightly wider than a blade to be mounted thereon and having a pair oflongitudinally extending slots respectively adjacent each side of saidbase, a pair of claws on each end of said base and overlying the cornerportions of said supporting surface to define blade receiving recessesbetween said claws and said surface with the opposed ends of said pairsof claws spaced a distance less than the length of a blade and theopposed inner ends of said recesses at one end of said base being spaceda distance greater than the length of a blade from the free ends of thepair of claws at the other end of said base to enable insertion of ablade end under one pair of claws to the limit of the recessesthereunder whereupon the other end of said blade may be pressed past theother pair of claws to the supporting surface and then slidlongitudinally into the recesses under such other pair of claws, saidbase having a notch opening through its end between said other pair ofclaws to enable reverse movement of a blade to release it from saidclaws, means protruding from said supporting surface centrally thereoffor engaging in the blade slot to position a blade in arched position onsaid surface with its cutting edges overlying said longitudinal slots,the opposed sides of said longitudinal slots diverging toward theopposite surface of said base to accommodate free passage therethroughof cut hair and the like, and a handle coplanar and integral with saidbase and extending from the' end thereof opposite said notched end.

2. A blade holder for use with a slotted, flexible double edged safetyrazor blade, comprising a rigid rectangular base having a convex bladesupporting surface that is curved longitudinally, said base beingslightly wider than a blade to be mounted thereon and having a pair oflongitudinally extending slots respectively adjacent each side of saidbase, a pair of claws on each end of said base and overlying the cornerportions of said supporting surface to define blade receiving recessesbetween said claws and said surface with the opposed ends of said pairsof claws spaced a distance less than the length of a blade and theopposed inner ends of said recesses at one end of said base being spaceda distance greater than the length of a blade from the free ends of thepair of claws at the other end of said base to enable insertion of ablade end under one pair of claws to the limit of the recessesthereunder whereupon the other end of said blade may be pressed past theother pair of claws to the supporting surface and then slidlongitudinally into the recesses under such other pair of claws, saidbase having a notch opening through its end between said other pair ofclaws, and means protruding from said supporting surface centrallythereof for engaging in the blade slot to position a blade in archedposition on said surface with its cutting edges overlying saidlongitudinal slots, the opposed sides of said longitudinal slotsdiverging toward the opposite surface of said base to accommodate freepassage therethrough of cut hair and the like.

References Cited in the file of this patent UNITED STATES PATENTS855,608 Ballreich June 4, 1907 1,008,648 Kiefer' Nov. 14, 1911 1,020,796Buck Mar. 19, 1912 1,134,706 Somers Apr. 6, 1915 1,135,362 Craven Apr.13, 1915 1,308,730 Benn July 1, 1919 1,690,557 Smith Nov. 6, 19281,735,140 Speirs Nov. 12, 1929' 2,587,235 eferlis Feb. 26, 1952 FOREIGNPATENTS 655,943 Great Britain Aug. 8, 1951

